/* 统一样式 */
*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    list-style: none;
}
*::after,*::before{
    box-sizing: border-box;
}
a{
    text-decoration: none;
    color: inherit;
}
a:hover {
    color: #ff6700;
  }
html {
    color: #333;
    min-width: 1040px;
    font: 14px/1.5 'Helvetica Neue', Helvetica, Arial, 'Microsoft Yahei',
      'Hiragino Sans GB', 'Heiti SC', 'WenQuanYi Micro Hei', sans-serif;
}
/* 浮动处理 */
.left{
    float: left;
}
.right{
    float: right;
}
.clearfix::after{
    content: "";
    clear: both;
    display: block;
}
/* 通用容器 */
.container{
    width: 1040px;
    margin-left: auto;
    margin-right: auto;
}